Vacuum pump equipped with the vacuum check valve is also known as one-way valve or check valve, its role is to prevent the medium flow back in the pipeline. It is also a check valve. Vacuum check valve is widely used in vacuum pump.
In the process of starting and stopping the vacuum pump, the vacuum check valve can better protect the pump and the pumped system, so as to make the vacuum pump play better performance and increase the service life. The opening and closing parts open or close automatically by the medium flow and force to prevent the reverse flow of medium is called check valve.
Check valve is an automatic valve, which is mainly used in the pipeline with one-way flow of medium. It only allows the medium to flow in one direction to prevent accidents. According to the structure, vacuum check valve can be divided into lift check valve, swing check valve and butterfly check valve. Lifting check valve can be divided into vertical and horizontal two kinds.
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